602 MR. p. E. BEDDARD ON" THE [May 29, 



arteries and veins in this genus, of which we have at present no 

 knowledge save a few notes by Dr. Shufeldt *. 



Umbilical Vein. — It is extremely interesting to find in Helo- 

 derma very considerable vestiges of the umbilical vein of the 



Text-fig. 99. 



-I7rnl>. 



Ventral surface of liver and related veins in Seloderma suspectum. 

 Ej>. Epigastric vein ; L. Liver ; Utnh. Umbilical vein ; V.c.i. Postcaval 



foetus. This vein ends ofi" somewhat obscurely posteriorly, gradu.- 

 ally fading away without being connected, so far as I could 



* " Contributions to the Stud}' of HeJoderma suspectum," P. Z. S. 1890, p. 148. 

 This paper concludes with a full bibliography. 



